while the faa says fewer controllers means it must increase spacing between planes to maintain safety, critics say the faa could find other ways to save money, but on the ground, the delays are growing. >> i can't imagine being stuck here for three hours and not knowing what's going to be next. >> reporter: yeah, there is talk in congress about actually passing legislation to force the controllers back to work. meanwhile, there is universal praise for the tsa's decision to delay allowing knives back on to planes. you may recall the tsa chief received virtual unanimous protest about that decision. now they'll delay that decision, re-evaluate and listen to the airlines and their employees. >> so no knives, but delays. a mixed bag from the airport tonight. tom costello reporting on all of it. tom, thanks. >>> another veteran of the senate is leaving. six-term montana democrat max baucus retiring at the end of his term. baucus is 71. he was among the handful of democrats who just voted against those expanded background checks for gun purchases. he runs the finance committee, had a huge in